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CLIC-ILC collaborations on detectors

CLIC-ILC collaborations on detectors. F. Richard LAL/Orsay. Introduction 1/2. In the recent past the CLIC detector effort has been growing fast with about ~10 FTE being already active at CERN CLIC has joined ILC R&D teams formally signing MoUs with the major collaborations

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CLIC-ILC collaborations on detectors

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  1. CLIC-ILC collaborations on detectors F. Richard LAL/Orsay PAC Valencia May 2010

  2. Introduction 1/2 • In the recent past the CLIC detector effort has been growing fast with about ~10 FTE being already active at CERN • CLIC has joined ILC R&D teams formally signing MoUs with the major collaborations • The cooperation with ILD and SiD is progressing well • CLIC has decided, in view of its CDR due beginning of 2011, to adapt these two validated concepts to its needs (including the push/pull scheme) PAC Valencia May 2010

  3. Introduction 2/2 • CLIC has already benefited from the tools of ILC used for simulation/reconstruction for physics analysis and detector optimization • It is hoped that CLIC and, more specifically CERN, will help ILC detectors in various ways • ILCSC recognizes these synergies and encourages the RD, S. Yamada, to promote such collaborations • Here I will try to review the situation recalling the context PAC Valencia May 2010

  4. Some challenges for detectors at CLIC • 0.5 ns between bunches which requires aggressive time stamping (10 ns for µvertex) • At 3 TEV, large beamstrahlunginduced gg background in the forward region • Tight IR stabilization tolerances (~ILC/100=0.5 nm) which requires a special support for QD0 • HCAL jet containment requires a W absorber • Detectors for CLIC SiD’ ~+20% 5T ILD’ ~+10% 4T PAC Valencia May 2010

  5. SiD’ & ILD’ PAC Valencia May 2010

  6. Common CLIC/ILC challenges and synergies • Driving costs are EM calorimetry(mostly ECAL) and the coil • R&D on coil (meetings Oct 2009 year, next on 18 May) is being discussed at CERN • Help is asked from CERN on negotiations with industry for Si sensors for the ECAL PAC Valencia May 2010

  7. Othertopics of collaboration • Push pull (CERN specialists on CMS), QD0 stabilization and forward detector detector integration • Development of common software tools (PFLOW) for detector performance studies at 1 TeV and beyond • Test beams: CERN is considering hiring a dedicated person • Participation to CLIC CDR: main editors are HarryWeerts (SiD), Marcel Stanistzki (SiD), AkiyaMiyamoto (ILD) and Lucie Linssen (CLIC) PAC Valencia May 2010

  8. The CLIC/ILC working group on detectors • ILCSC has encouraged formation of a CLIC/ILC General Issues working group on detectors by the two parties with the following mandate: • Promoting the physics and the detectors of the Linear Collider • Identifying synergies between the detectors of ILC and CLIC in performance studies, detector R&D, and software tools • Discussing detailed plans for the ILC and CLIC efforts, in order to explore possible collaborations on issues such as critical R&D on sub-detectors, coil studies, push-pull mechanism and MDI aspects • Discussing a possible format of collaboration between the ILC validated detector groups and CLIC PAC Valencia May 2010

  9. Composition • In practice the RD has called a 1stinformal meeting after LCWS10 in Beijing with the CLIC-ILC working group on detectors: • S. Yamada (RD, chair), L. Linssen (CLIC/CERN co-chair), M. Demarteau (R&D panel SiD), F. Richard (RD EB), F. Sefkow (CALICE/ILD nominated by CLIC), M. Stanitzki (SiD), M. Thomson (ILD) • Further phone meetings are planned • In the future, the conclusions of the working group will be reported to the ILCSC and CLIC Steering Committee PAC Valencia May 2010

  10. A World Wide Study issue • Up to now there were separate detector/physics workshops for ILC and CLIC • The WWS thinks that for the next workshops on Physics & Detectors there should be CLIC detector representatives in the Program Organizing Committee • This is (and was) already true for the ECFA regional workshop (next ECFA WS October 18-22 at CERN) • Will become true for Asian and NA workshops and for the international LCWSorganized by the WWS –OC PAC Valencia May 2010

  11. Towards a Common Strategy ? • Combine our scarce resources avoiding duplication • Promote a LC as the next HEP machine, avoiding conflicting strategies and delivering clear messages to the community • Ultimately the chosen technology should depend on physics (LHC/TeVatron) and technical feasibility • ILC TDR+DBD and CLIC CDR will be used in 2012 to update the CERN strategy on Linear Colliders • Note also the recent initiative from CERN opening a position for a Linear Collider Studies Leader for both the accelerator and detector studies, which also points in the direction of a common strategy PAC Valencia May 2010

  12. Conclusions • Continuous progress on CLIC-ILC collaborations on detectors with large synergies around the same detector concepts • To achieve more, we need to draw the whole picture of what is happening and of what can be planned in the future • To do this, the CLIC-ILC working group has just started • From now on, the regional and the global workshops on LC detectors will be organized with the participation of CLIC representatives PAC Valencia May 2010

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